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On Monday 06 November 2006 12:48, Peter Humphrey wrote: |
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> On Monday 06 November 2006 10:47, Hemmann, Volker Armin wrote: |
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> > Set Portage_NICENESS to 19, MAKEOPTS ot -jX with X maximum number of |
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> > cores and activate ccache with at least 4GB and you don't need tempfs to |
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> > install KDE (all of it), in less than 10h. |
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> |
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> Are you implying that setting X > number of cores will slow it down? I |
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> have -j5 with two single CPUs, and KDE (part of it) takes far longer than |
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> that. |
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lets ask the other way round. Why should it speed up anything to have X>number |
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of cores? Instead of a single thread per core, compiling happily, you have |
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two or more competing for one core and regularly kick out each others data |
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from the cache. |
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-- |
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